http://archive.pal-item.com/VideoNetwork/2700152964001/Microsoft-Unveils-Upgraded-Surface-Tablethttp://cdn.newslook.com/4f/4fb502d0ffce4f11baa3b07fb7ee6043/mp4_low/4fb502d0ffce4f11baa3b07fb7ee6043-mp4_low.mp4http://archive.pal-item.com/VideoNetwork/2700152964001/Microsoft-Unveils-Upgraded-Surface-Tablethttp://cdn.newslook.com/4f/4fb502d0ffce4f11baa3b07fb7ee6043/images/frame_0010.jpgMicrosoft Unveils Upgraded Surface TabletMicrosoft unveiled two new versions of its Surface tablet on Monday, renewing its efforts in mobile computing after the product's launch a year ago failed to impress consumers.1MICROSOFT CORPORATIONtechnologynewslookMSFT01:07